[PATCH 2/2] dt-bindings: PCI: mediatek-gen3: Add support for controlling power and reset

[Jian Yang]

From: "jian.yang" <jian.yang at mediatek.com>

Add new properties to support control power supplies and reset pin of
a downstream component.

Signed-off-by: jian.yang <jian.yang at mediatek.com>
---
 .../bindings/pci/mediatek-pcie-gen3.yaml      | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index 7e8c7a2a5f9b..46149cc63989 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -84,6 +84,29 @@ properties:
     items:
       enum: [ phy, mac ]
 
+  pcie1v8-supply:
+    description:
+      The regulator phandle that provides 1.8V power to downstream component.
+
+  pcie3v3-supply:
+    description:
+      The regulator phandle that provides 3.3V power to downstream component.
+
+  pcie12v-supply:
+    description:
+      The regulator phandle that provides 12V power to downstream component.
+
+  dsc-reset-gpios:
+    description:
+      The reset GPIO of a downstream component.
+    maxItems: 1
+
+  dsc-reset-msleep:
+    description:
+      The delay time between assertion and de-assertion of a downstream
+      component's reset GPIO.
+    maxItems: 1
+
   clocks:
     minItems: 4
     maxItems: 6
-- 
2.18.0